January weather forecastHonomu, HI

January

Weather in January

January, the same as December, in Honomu, Hawaii, is another pleasant winter month, with an average temperature ranging between max 70.9°F (21.6°C) and min 64.8°F (18.2°C).

Temperature

An average high-temperature of a still agreeable 70.9°F (21.6°C) marks January, exhibiting a close resemblance to the conditions in December. During the nights of January, the average low-temperature holds at an enjoyable 64.8°F (18.2°C).

Humidity

January, May through July, with an average relative humidity of 78%, are the least humid months.

Rainfall

In Honomu, in January, it is raining for 13.3 days, with typically 2.72" (69mm) of accumulated precipitation. Throughout the year, there are 227.7 rainfall days, and 27.83" (707mm) of precipitation is accumulated.

Daylight

The average length of the day in January is 11h and 5min.
On the first day of January, sunrise is at 6:55 am and sunset at 5:52 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 6:11 pm HST.

Sunshine

In Honomu, the average sunshine in January is 7.9h.

UV index

January through April, with an average maximum UV index of 5, are months with the lowest UV index in Honomu. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: In January, the maximum UV index of 5 translates into these guidelines:
Take measures. Individuals with light skin might experience burns in under 30 minutes. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Updated: Jun 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Honomu, 70.9°F (21.6°C) is the average high-temperature and 64.8°F (18.2°C) is the average low-temperature during January.

January, May through July, with an average relative humidity of 78%, are the least humid months in Honomu.

In January, the average relative humidity is 78%.

In Honomu, in January, it is raining for 13.3 days, with typically 2.72" (69mm) of accumulated precipitation.

In January, the average day length is 11h and 5min.

On the first day of January, sunrise is at 6:55 am and sunset at 5:52 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 6:11 pm HST.

In January, the average sunshine duration is 7.9h.

The months with the lowest UV index are January through April, with an average maximum UV index of 5.

In Honomu, the average daily maximum UV index in January is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Honomu, HI

  • Average high temperature in January: 70.9°F

The warmest month (with the highest average high temperature) is August (75.4°F).
The month with the lowest average high temperature is March (69.6°F).

  • Average low temperature in January: 64.8°F

The month with the highest average low temperature is September (70°F).
The coldest month (with the lowest average low temperature) is March (64°F).

Average pressure in January
Honomu, HI

  • Average pressure in January: 30"Hg

The month with the highest atmospheric pressure is April (30.05"Hg).
The months with the lowest atmospheric pressure are September and October (29.97"Hg).

Average wind speed in January
Honomu, HI

  • Average wind speed in January: 7mph

The windiest month (with the highest average wind speed) is August (7.6mph).
The calmest month (with the lowest average wind speed) is October (6.7mph).

Average humidity in January
Honomu, HI

  • Average humidity in January: 78%

The month with the highest relative humidity is March (80%).
The months with the lowest relative humidity are January, May, June and July (78%).

Average rainfall in January
Honomu, HI

  • Average rainfall in January: 2.72"

The wettest month (with the highest rainfall) is February (3.78").
The driest month (with the least rainfall) is June (1.1").

Average rainfall days in January
Honomu, HI

  • Average rainfall days in January: 13.3 days

The month with the highest number of rainy days is March (22.9 days).
The month with the least rainy days is January (13.3 days).

Average daylight in January /
Average sunshine in January
Honomu, HI

  • Average daylight in January: 11h and 6min

The month with the longest days is June (Average daylight: 13h and 18min).
The month with the shortest days is December (Average daylight: 11h and 0min).

  • Average sunshine in January: 7h and 54min

The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).

Average sunshine days in January
Honomu, HI

  • Average sunshine days in January: 12.1 days

The month with the most sunshine days is January (12.1 days).
The month with the least sunshine days is August (1.8 days).

Average UV index in January
Honomu, HI

  • Average UV index in January: 5

The months with the highest UV index are May, June, July, August, September, October, November and December (UV index 6).
The months with the lowest UV index are January, February, March and April (UV index 5).

Average cloud cover in January
Honomu, HI

  • Average cloud cover in January: 26

The month with the most cloud cover is March (Cloud cover 42).
The month with the least cloud cover is January (Cloud cover 26).

Average visibility in January
Honomu, HI

  • Average visibility in January: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).